Deprecated: Creation of dynamic property Vibe_CustomTypes_Permalinks::$permalinks is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-customtypes/includes/permalinks.php on line 423
Deprecated: Creation of dynamic property Vibe_CustomTypes_Permalinks::$end_points is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-customtypes/includes/permalinks.php on line 425
Deprecated: Creation of dynamic property wplms_miscellaneous_settings::$settings is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-customtypes/includes/musettings.php on line 3373
Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wplms domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/html/wp-includes/functions.php on line 6114
Deprecated: Creation of dynamic property bp_course_filters::$course_button is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-filters.php on line 25
Deprecated: Creation of dynamic property WPLMS_Course_Tour::$user_id is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-tour.php on line 17
Deprecated: Creation of dynamic property WPLMS_Course_Tour::$check_enqueued is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-tour.php on line 18
Deprecated: Creation of dynamic property WPLMS_Course_Tour::$tours_enabled_default is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-tour.php on line 19
Deprecated: Creation of dynamic property WPLMS_tips::$lms_settings is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-customtypes/includes/tips.php on line 33
Deprecated: Creation of dynamic property WPLMS_Course_Tour::$tips is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-tour.php on line 23
Deprecated: Creation of dynamic property bp_course_notifications::$lms_settings is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-notifications.php on line 142
Deprecated: Creation of dynamic property BP_Course_Rest_Tracker_Controller::$user_tracker is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/api/class-api-tracker-controller.php on line 22
Deprecated: Creation of dynamic property BP_Course_Commissions::$date_format_map is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-commissions.php on line 42
Deprecated: Creation of dynamic property BP_Course_Commissions::$date_format is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-course-module/includes/bp-course-commissions.php on line 48
Deprecated: Creation of dynamic property WPLMS_Assignments::$plupload_assignment_e_d is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/assignments/assignments.php on line 28
Deprecated: Creation of dynamic property WPLMS_Assignments::$assignment_submissions is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/assignments/assignments.php on line 29
Deprecated: Creation of dynamic property WPLMS_4_Init::$vibe_option is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/class.init.php on line 321
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Deprecated: Creation of dynamic property Envato_Theme_Setup_Wizard::$parent_slug is deprecated in /var/www/html/wp-content/themes/wplms/setup/installer/envato_setup.php on line 209
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Deprecated: Creation of dynamic property WPLMS_Init::$customizer is deprecated in /var/www/html/wp-content/themes/wplms/includes/init.php on line 264
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Deprecated: Creation of dynamic property VibeBP_Init::$settings is deprecated in /var/www/html/wp-content/plugins/vibebp/includes/class.init.php on line 311
Deprecated: Creation of dynamic property BpXProfileWordPressUserSync::$migrate is deprecated in /var/www/html/wp-content/plugins/bp-xprofile-wp-user-sync/bp-xprofile-wp-user-sync.php on line 321
Deprecated: Creation of dynamic property MemberTypes_Custom_Field::$bp_get_member_type_tax_name is deprecated in /var/www/html/wp-content/plugins/vibebp/includes/class.membertypes.from.fields.php on line 29
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Deprecated: Creation of dynamic property Wplms_Api_Wp::$wplms_api_tracker is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/vibe-customtypes/includes/api/class-api-wp.php on line 16
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Deprecated: Creation of dynamic property WPLMS_Assignments::$checkformagain is deprecated in /var/www/html/wp-content/plugins/wplms_plugin/includes/assignments/assignments.php on line 981
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Mini-Max法とαβ法の理論を学び Python で実践【動くコード付き】 – <体験型>学習ブログ by zero to one
Deprecated: Creation of dynamic property VibeBP_Customizer::$customizer is deprecated in /var/www/html/wp-content/plugins/vibebp/includes/class.customizer.php on line 44
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Warning: Undefined array key "" in /var/www/html/wp-content/themes/zero2one/header-learningblog.php on line 104
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2023.2.6
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2023.10.11
\ シェア /
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# ゲームの勝敗を管理するためのクラス
class GameState(Enum):
DRAW = auto()
ON = auto()
OVER = auto()
# 盤の印を管理するためのクラス
class Mark(Enum):
X = auto()
O = auto()
EMPTY = auto()
# 盤の状態全体を管理するクラス
class Board:
# 盤を初期化するメソッド
def __init__(self):
self.cell = [[Mark.EMPTY for i in range(3)] for j in range(3)]
self.is_first_player = True
# 現在置くことができる場所を取得するメソッド
def possible_moves(self):
moves = []
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.EMPTY:
moves.append((i, j))
return moves
# 指定された場所に印をつけるメソッド
def make_move(self, move):
# make a move
if self.cell[move[0]][move[1]] == Mark.EMPTY:
if self.is_first_player:
self.cell[move[0]][move[1]] = Mark.X
else:
self.cell[move[0]][move[1]] = Mark.O
self.is_first_player = not self.is_first_player
# 印が3つそろったかを判定するメソッド
def won(self):
# 指定された場所から指定された方向に3つの印がそろっているかを判定する関数
def check_cells(x, y, dx, dy):
if self.cell[x][y] == Mark.EMPTY:
return False
for i in range(3):
if self.cell[x][y] != self.cell[x + i * dx][y + i * dy]:
return False
return True
for i in range(3):
# 垂直方向にチェック
if check_cells(i, 0, 0, 1):
return True
# 水平方向にチェック
if check_cells(0, i, 1, 0):
return True
# 対角方向にチェック
if check_cells(0, 0, 1, 1):
return True
if check_cells(0, 2, 1, -1):
return True
# 指定した場所の印を空欄にする(手を巻き戻す)メソッド
def rewind(self, move):
# rewind the board
self.cell[move[0]][move[1]] = Mark.EMPTY
self.is_first_player = not self.is_first_player
# 盤面を表示する特殊メソッド
# print(object自身)で呼ばれる
def __str__(self):
board_str = ""
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.X:
board_str += "X"
elif self.cell[i][j] == Mark.O:
board_str += "O"
else:
board_str += "/"
board_str += "\\n"
return board_str
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ウィンドウのコードをコピーしました。
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# ゲームの勝敗を管理するためのクラス
class GameState(Enum):
DRAW = auto()
ON = auto()
OVER = auto()
# 盤の印を管理するためのクラス
class Mark(Enum):
X = auto()
O = auto()
EMPTY = auto()
# 盤の状態全体を管理するクラス
class Board:
# 盤を初期化するメソッド
def __init__(self):
self.cell = [[Mark.EMPTY for i in range(3)] for j in range(3)]
self.is_first_player = True
# 現在置くことができる場所を取得するメソッド
def possible_moves(self):
moves = []
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.EMPTY:
moves.append((i, j))
return moves
# 指定された場所に印をつけるメソッド
def make_move(self, move):
# make a move
if self.cell[move[0]][move[1]] == Mark.EMPTY:
if self.is_first_player:
self.cell[move[0]][move[1]] = Mark.X
else:
self.cell[move[0]][move[1]] = Mark.O
self.is_first_player = not self.is_first_player
# 印が3つそろったかを判定するメソッド
def won(self):
# 指定された場所から指定された方向に3つの印がそろっているかを判定する関数
def check_cells(x, y, dx, dy):
if self.cell[x][y] == Mark.EMPTY:
return False
for i in range(3):
if self.cell[x][y] != self.cell[x + i * dx][y + i * dy]:
return False
return True
for i in range(3):
# 垂直方向にチェック
if check_cells(i, 0, 0, 1):
return True
# 水平方向にチェック
if check_cells(0, i, 1, 0):
return True
# 対角方向にチェック
if check_cells(0, 0, 1, 1):
return True
if check_cells(0, 2, 1, -1):
return True
# 指定した場所の印を空欄にする(手を巻き戻す)メソッド
def rewind(self, move):
# rewind the board
self.cell[move[0]][move[1]] = Mark.EMPTY
self.is_first_player = not self.is_first_player
# 盤面を表示する特殊メソッド
# print(object自身)で呼ばれる
def __str__(self):
board_str = ""
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.X:
board_str += "X"
elif self.cell[i][j] == Mark.O:
board_str += "O"
else:
board_str += "/"
board_str += "\\n"
return board_str
board = Board()
# ゲーム終了まで無限ループ
while True:
# ゲームの終了を判定する
if board.state() == GameState.OVER or board.state() == GameState.DRAW:
break
print("先手" if board.is_first_player else "後手")
next_move = random.choice(board.possible_moves())
board.make_move(next_move)
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ウィンドウのコードをコピーしました。
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import math
import random
from enum import Enum, auto
# ゲームの勝敗を管理するためのクラス
class GameState(Enum):
DRAW = auto()
ON = auto()
OVER = auto()
# 盤の印を管理するためのクラス
class Mark(Enum):
X = auto()
O = auto()
EMPTY = auto()
# 盤の状態全体を管理するクラス
class Board:
# 盤を初期化するメソッド
def __init__(self):
self.cell = [[Mark.EMPTY for i in range(3)] for j in range(3)]
self.is_first_player = True
# 現在置くことができる場所を取得するメソッド
def possible_moves(self):
moves = []
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.EMPTY:
moves.append((i, j))
return moves
# 指定された場所に印をつけるメソッド
def make_move(self, move):
# make a move
if self.cell[move[0]][move[1]] == Mark.EMPTY:
if self.is_first_player:
self.cell[move[0]][move[1]] = Mark.X
else:
self.cell[move[0]][move[1]] = Mark.O
self.is_first_player = not self.is_first_player
# 印が3つそろったかを判定するメソッド
def won(self):
# 指定された場所から指定された方向に3つの印がそろっているかを判定する関数
def check_cells(x, y, dx, dy):
if self.cell[x][y] == Mark.EMPTY:
return False
for i in range(3):
if self.cell[x][y] != self.cell[x + i * dx][y + i * dy]:
return False
return True
for i in range(3):
# 垂直方向にチェック
if check_cells(i, 0, 0, 1):
return True
# 水平方向にチェック
if check_cells(0, i, 1, 0):
return True
# 対角方向にチェック
if check_cells(0, 0, 1, 1):
return True
if check_cells(0, 2, 1, -1):
return True
# 指定した場所の印を空欄にする(手を巻き戻す)メソッド
def rewind(self, move):
# rewind the board
self.cell[move[0]][move[1]] = Mark.EMPTY
self.is_first_player = not self.is_first_player
# 盤面を表示する特殊メソッド
# print(object自身)で呼ばれる
def __str__(self):
board_str = ""
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.X:
board_str += "X"
elif self.cell[i][j] == Mark.O:
board_str += "O"
else:
board_str += "/"
board_str += "\\n"
return board_str
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ウィンドウのコードをコピーしました。
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Cに移動した後にFのスコアが確定した後をみます。ここまででCのαは5、βは3になります。A→Cの場面ではスコアが最大の手を選択します。そしてC→F or Gの場面ではスコアが最小の手を選択します。つまり、Fのスコアが3ならば、Gのスコアは3以下にしかなりません。しかし、3以下のスコアならば、Bのスコアが5に確定している以上、5以上にならなければ選択されないのでCが選択される可能性は無くなります。したがって、Cにぶら下がっているノードはこれ以上探索する必要がなくなります。これは、スコアが最大の手を選択する場面で、それより小さいスコアが出た時点で探索を終了するという処理をしており、αカットと呼ばれます。このようにβカットとαカットを行いながらMini-Max法を行う手の選択アルゴリズムをαβ法といいます。
def possible_moves(self):
moves = []
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.EMPTY:
moves.append((i, j))
return moves
def make_move(self, move):
if self.cell[move[0]][move[1]] == Mark.EMPTY:
if self.is_first_player:
self.cell[move[0]][move[1]] = Mark.X
else:
self.cell[move[0]][move[1]] = Mark.O
self.is_first_player = not self.is_first_player
def won(self):
def check_cells(x, y, dx, dy):
if self.cell[x][y] == Mark.EMPTY:
return False
for i in range(3):
if self.cell[x][y] != self.cell[x + i * dx][y + i * dy]:
return False
return True
for i in range(3):
if check_cells(i, 0, 0, 1):
return True
if check_cells(0, i, 1, 0):
return True
if check_cells(0, 0, 1, 1):
return True
if check_cells(0, 2, 1, -1):
return True
def rewind(self, move):
self.cell[move[0]][move[1]] = Mark.EMPTY
self.is_first_player = not self.is_first_player
def __str__(self):
board_str = ""
for i in range(3):
for j in range(3):
if self.cell[i][j] == Mark.X:
board_str += "X"
elif self.cell[i][j] == Mark.O:
board_str += "O"
else:
board_str += "/"
board_str += "\\n"
return board_str
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ウィンドウのコードをコピーしました。
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